FT

Fumikazu Takahashi

HC Hitachi Computer Peripherals Co.: 11 patents #2 of 133Top 2%
KA Kao: 9 patents #309 of 3,221Top 10%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
Overall (All Time): #106,934 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
7432617 Uninterruptible power system Akihiko Kanouda, Minehiro Nemoto, Masahiro Hamaogi 2008-10-07
7406623 DC backup power supply system and disk array using same Akihiko Kanouda, Masahiro Hamaogi, Yoshihide Takahashi, Minehiro Nemoto 2008-07-29
7245469 DC backup power supply device and method for diagnosing the same Minehiro Nemoto, Akihiko Kanouda, Masahiro Hamaogi, Yoshihide Takahashi, Takashi Tanabe +3 more 2007-07-17
7049711 Uninterruptible power system Akihiko Kanouda, Minehiro Nemoto, Masahiro Hamaogi 2006-05-23
6798255 Semiconductor integrated circuit device Tatsumi Yamauchi, Fumio Murabayashi, Kazuhisa Miyamoto, Kazuharu Kuchimachi 2004-09-28
5430639 Polyphase AC input to DC output voltage converter 1995-07-04
5311134 Magnetic resonance imaging system Hitoshi Yamagata, Masafumi Kondo 1994-05-10
5311136 Gradient power source apparatus for magnetic resonance imaging system 1994-05-10